Several minor improvements to typing and misc.

- Improved schema validation
- Move username parsing and other validators to schema types
- Fix astro check command
- Add JSON/YAML schema validation for data collections
- Update licenses
- Remove deployment script in favor of rsync
- Prevent unsanitized input in export-story script
- Change "eng" language to "en", per BCP47
- Clean up i18n keys and add aria attributes
- Improve MastodonComments behavior on no-JS browsers

astro.config.mjs

@@ -19,6 +19,7 @@ export default defineConfig({
   build: {
     assets: "assets",
   },
+  outDir: "./dist",
   redirects: {
     "/stories": "/stories/1",
   },